The Israeli military said it holds the Syrian government "accountable for this blatant breach of Israeli sovereignty. The IDF will continue to act in order to safeguard Israel and its civilians."

The state-run Syrian Arab News Agency on Saturday said an Israeli rocket struck "a site in Quneitra in support of the terrorist groups."

Golan Heights

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Israel seized parts of the Golan Heights, a strategic, rocky plateau to its northeast, from Syria in the 1967 Six-Day War.

The international community considers the Golan Heights to be occupied territory and Israeli settlement-building there to be illegal. Syria wants the return of the territory that UN peacekeeping forces have monitored for decades.

According to foreign reports, Israel has conducted numerous strikes in Syria and Lebanon, destroying weapons shipments intended for the militant group Hezbollah. But no Israeli leader had every publicly acknowledged that these strikes occurred.

Netanyahu said the presence of ancient synagogues in the Golan Heights showed that the territory, with a population of about 50,000, had been "an integral part of the Land of Israel since ancient times," and that it remained an integral part of modern Israel.

The Israeli military said its forces targeted the area, describing the inhabitants as "part of the terror cell responsible for the rocket fire at northern Israel " It did not say how many people were killed in the attack in al Qom in Quneitra.